

   
\begin{tikzpicture}[scale=2.54]
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\dpiclw=0.8bp
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\draw (-0.041667,0.5) node[left=-1.5bp]{$ R_{G}$};
\dpicdraw (0,1)
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\dpicdraw (0.475,0.975)
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\draw (0.608333,0.55) node[left=-1.5bp]{$ R_{S}$};
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\dpicstop
\dpicdraw (0.65,0.310406)
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\draw (0.65,0.348953) node[right=-1.5bp]{$ I_D$};
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\draw (2.2,1.491667) node[above=-1.5bp]{$ 100 \Omega$};
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\draw (2.55,0.3375) node{$-$};
\draw (2.55,0.4625) node{$+$};
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\end{tikzpicture}





